This phone will only work with 2G:GSM 850 /900 /1800/ 1900MHz 3G: WCDMA 850 /900/1900/2100MHz 4G: FDD-LTE 800/1800/ 2100/2600MHz It is Unlocked for Worldwide use. Please ensure local area network is compatible. click here for Network Frequency of your country. Please check with your carrier/provider before purchasing this item.

Dual sim dual standby
Or 1 Micro SIM Card and 1 TF Card
Both SIM slots are compatible with 4G, respectively.
When they work at the same time, only one of them can receive
LTE service and the other GSM.
Default at slot 1